The Biggest of the Big: Today's Top 500 Supercomputers Summary: Top500.org releases a semi-annual list of the fastest 500 supercomputers in the world. This gallery covers several of the best of the best. By Wally Bahny | June 16, 2010 -- 10:05 GMT (03:05 PDT) Previous | Next Image 9 of 12 The second-most powerful German supercomputer, JUROPA, is also owned and operated by Forschungszentrum Juelich but is a Sun Constellation system containing 26,304 cores and doing only 274.80 teraflops.Photo courtesy Forschungszentrum Juelich. Topic: IBM Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.